Sorry,Flower War 5 is not avaiable yet. We will update Flower War as soon as it is released.
If you want to read new chapter of Flower War at the first time,you can subscribe it. We’ll send your the email as soon as Flower War 5 updates.

Have more fun on facebook:

https://www.facebook.com/mangahomelife/

Or enjoy fantasy shoujo moments on tumblr:

https://onlyshoujo.tumblr.com/

You can read some other great manga to kill time